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Print — Medical Biotech

InventTable — PRINT ERA — Medical Biotech

InventionDescriptionYearInventorCountry
Toothbrush boar's hair 1498 AD China
Quinine bark for malaria treatment 1672 AD Jesuit missionaries, New World natives Latin America
Randomized controlled clinical trial bias free clinical testing experiment 1747 AD James Lind UK (96)
Appendectomy successful 1763 AD Claudius Aymand France
Vaccination infectious disease prevention 1796 AD Edward Jenner UK (18)
Morphine general anesthesia 1804 AD Hanaoka Seishu Japan
Lighted endoscope endoscopy 1805 AD Philipp Bozzini Austria
Dental floss oral hygiene 1815 AD Levi Spear Palmly USA
Stethescope medical listening 1816 AD Renae Laennec France

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Leo Dean Jansen

Leo Dean Jansen, MD is a retired orthopedic surgeon with a special interest in the history of technology.  This web page is the culmination of  his efforts to define and organize the history of technology as seen through 2000 inventions.  TECHNOLOGY:  TABLE, TRUTHS, TIMELINE, TOP 100 represents the 4 parts of this project.

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